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2-category 2-category-theory abelian-categories adjoint algebra algebraic algebraic-geometry algebraic-topology analysis analytic-geometry arithmetic arithmetic-geometry book bundles calculus categorical categories category category-theory chern-weil-theory cohesion cohesive-homotopy-type-theory cohomology colimits combinatorics complex complex-geometry computable-mathematics computer-science constructive cosmology definitions deformation-theory descent diagrams differential differential-cohomology differential-equations differential-geometry digraphs duality elliptic-cohomology enriched fibration foundation foundations functional-analysis functor gauge-theory gebra geometric-quantization geometry graph graphs gravity grothendieck group group-theory harmonic-analysis higher higher-algebra higher-category-theory higher-differential-geometry higher-geometry higher-lie-theory higher-topos-theory homological homological-algebra homotopy homotopy-theory homotopy-type-theory index-theory integration integration-theory k-theory lie-theory limits linear linear-algebra locale localization logic mathematics measure-theory modal modal-logic model model-category-theory monad monads monoidal monoidal-category-theory morphism motives motivic-cohomology nlab noncommutative noncommutative-geometry number-theory object of operads operator operator-algebra order-theory pages pasting philosophy physics pro-object probability probability-theory quantization quantum quantum-field quantum-field-theory quantum-mechanics quantum-physics quantum-theory question representation representation-theory riemannian-geometry scheme schemes set set-theory sheaf simplicial space spin-geometry stable-homotopy-theory stack string string-theory superalgebra supergeometry svg symplectic-geometry synthetic-differential-geometry terminology theory topology topos topos-theory tqft type type-theory universal variational-calculus

1. • CommentRowNumber1.
   • CommentAuthorDavidRoberts
   • CommentTimeAug 7th 2019
   • PermaLink
   Author: DavidRoberts
   Format: MarkdownItexAdded link to Cabello and Garzón paper. <a href="https://ncatlab.org/nlab/revision/diff/2-crossed+module/22">diff</a>, <a href="https://ncatlab.org/nlab/revision/2-crossed+module/22">v22</a>, <a href="https://ncatlab.org/nlab/show/2-crossed+module">current</a>

   Added link to Cabello and Garzón paper.

   diff, v22, current

2. • CommentRowNumber2.
   • CommentAuthorTim_Porter
   • CommentTimeAug 7th 2019
   • PermaLink
   Author: Tim_Porter
   Format: MarkdownItexAdded a reference on tensor products <a href="https://ncatlab.org/nlab/revision/diff/2-crossed+module/23">diff</a>, <a href="https://ncatlab.org/nlab/revision/2-crossed+module/23">v23</a>, <a href="https://ncatlab.org/nlab/show/2-crossed+module">current</a>

   Added a reference on tensor products

   diff, v23, current

3. • CommentRowNumber3.
   • CommentAuthorTim_Porter
   • CommentTimeNov 27th 2021
   • PermaLink
   Author: Tim_Porter
   Format: MarkdownItexFixed a link and updated. <a href="https://ncatlab.org/nlab/revision/diff/2-crossed+module/24">diff</a>, <a href="https://ncatlab.org/nlab/revision/2-crossed+module/24">v24</a>, <a href="https://ncatlab.org/nlab/show/2-crossed+module">current</a>

   Fixed a link and updated.

   diff, v24, current